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Kentetsu · 05-03-2010, 09:05 AM

The check valve should be inline in the rubber hose (at least on 1st gens). If you don't have a check valve, then whenever you go above idle and lose manifold vacuum your booster will also lose it's vacuum.

05-03-2010, 09:05 AM	#4
Kentetsu RCC Contributor Join Date: Feb 2008 Location: Grand Rapids, Michigan Posts: 530 Rep Power: 18	The check valve should be inline in the rubber hose (at least on 1st gens). If you don't have a check valve, then whenever you go above idle and lose manifold vacuum your booster will also lose it's vacuum.